MESON Chess Problem Database
Problem Display
PID: 143178 (8/7p/2n2K1Q/n2Bp3/3kP2p/7P/2R2b1B/2Nr1N2 w - - 0 1)
Goulty, Allison Howard
Social Chess Quarterly (The), 1934
#2
9 + 8
SOLUTION
- SOUND
- Sets
- 1...Rxc1
- 2.Qd2#
- 1...Re1
- 2.Qd2#
- 1...Rxf1
- 2.Qd2#
- 1...Rd2
- 2.Qxd2#
- 1...Rd3
- 2.Se2#
- 1...Be1
- 2.Qe3#
- 1...Bg1
- 2.Bxg1#
- 1...Be3
- 2.Qxe3#
- 1...Bg3
- 2.Qe3#
- 1...Sb3
- 2.Rc4#
- 1...Sc4
- 2.Rxc4#
- 1...Sb7
- 2.Rc4#
- 1...Sb4
- 2.Bxe5#
- 1...Sa7
- 2.Bxe5#
- 1...Se7
- 2.Bxe5#
- 1...Sb8
- 2.Bxe5#
- 1...Sd8
- 2.Bxe5#
- 1...Rxc1
- Tries
- 1.Kf5?
- 1...Rxc1
- 2.Qd2#
- 1...Rxf1
- 2.Qd2#
- 1...Sc4
- 2.Rxc4#
- 1...Re1
- 2.Qd2#
- 1...Rd2
- 2.Qxd2#
- 1...Rd3
- 2.Se2#
- 1...Be1
- 2.Qe3#
- 1...Bg1
- 2.Bxg1#
- 1...Be3
- 2.Qxe3#
- 1...Bg3
- 2.Qe3#
- 1...Sb3
- 2.Rc4#
- 1...Sb7
- 2.Rc4#
- 1...Sb4
- 2.Bxe5#
- 2.Qb6#
- 1...Sa7
- 2.Bxe5#
- 2.Qb6#
- 1...Sb8
- 2.Bxe5#
- 2.Qb6#
- 1...Sd8
- 2.Bxe5#
- 2.Qb6#
- 1...Se7+!
- 1...Rxc1
- 1.Ke6?
- 1...Rxc1
- 2.Qd2#
- 1...Rxf1
- 2.Qd2#
- 1...Sc4
- 2.Rxc4#
- 1...Re1
- 2.Qd2#
- 1...Rd2
- 2.Qxd2#
- 1...Rd3
- 2.Se2#
- 1...Be1
- 2.Qe3#
- 1...Bg1
- 2.Bxg1#
- 1...Be3
- 2.Qxe3#
- 1...Bg3
- 2.Qe3#
- 1...Sb3
- 2.Rc4#
- 1...Sb7
- 2.Rc4#
- 1...Sb4
- 2.Bxe5#
- 1...Sa7
- 2.Bxe5#
- 1...Se7
- 2.Bxe5#
- 1...Sb8
- 2.Bxe5#
- 1...Sd8+!
- 1...Rxc1
- 1.Kf7?
- 1...Rxc1
- 2.Qd2#
- 1...Rxf1
- 2.Qd2#
- 1...Sc4
- 2.Rxc4#
- 1...Re1
- 2.Qd2#
- 1...Rd2
- 2.Qxd2#
- 1...Rd3
- 2.Se2#
- 1...Be1
- 2.Qe3#
- 1...Bg1
- 2.Bxg1#
- 1...Be3
- 2.Qxe3#
- 1...Bg3
- 2.Qe3#
- 1...Sb3
- 2.Rc4#
- 1...Sb7
- 2.Rc4#
- 1...Sb4
- 2.Qb6#
- 1...Sa7
- 2.Qb6#
- 1...Se7
- 2.Qb6#
- 1...Sb8
- 2.Qb6#
- 1...Sd8+!
- 1...Rxc1
- 1.Sd2?
- threat
- 2.Sf3#
- 1...Rxd2
- 2.Qxd2#
- 1...Sc4
- 2.Sdb3#
- 2.Rxc4#
- 1...Rxc1!
- threat
- 1.Bg1?
- threat
- 2.Bxf2#
- 1...Rxc1
- 2.Qd2#
- 1...Rxf1
- 2.Qd2#
- 1...Sc4
- 2.Rxc4#
- 1...Re1
- 2.Qd2#
- 1...Rd2
- 2.Qxd2#
- 1...Rd3
- 2.Se2#
- 1...Be3
- 2.Bxe3#
- 2.Qxe3#
- 1...Bxg1!
- threat
- 1.Rc3?
- threat
- 2.Se2#
- 1...Rxc1
- 2.Qd2#
- 1...Sc4
- 2.Rxc4#
- 1...Re1
- 2.Qd2#
- 1...Rd2
- 2.Qxd2#
- 1...Kxc3!
- threat
- 1.Rxc6?
- threat
- 2.Bxe5#
- 1...Rxc1
- 2.Qd2#
- 1...Sc4
- 2.Rxc4#
- 1...Bg3
- 2.Qe3#
- 1...Sxc6!
- threat
- 1.Qf4?
- threat
- 2.Qxf2#
- 1...Rxc1
- 2.Qd2#
- 1...Rxf1
- 2.Qd2#
- 1...Sc4
- 2.Rxc4#
- 1...Re1
- 2.Qd2#
- 1...Rd2
- 2.Qxd2#
- 1...Rd3
- 2.Se2#
- 1...Be1
- 2.Qe3#
- 1...Bg1
- 2.Bxg1#
- 1...Be3
- 2.Qxe3#
- 1...Bg3
- 2.Qe3#
- 1...exf4!
- threat
- 1.Qf8?
- threat
- 2.Qc5#
- 1...Sb3
- 2.Rc4#
- 1...Sc4
- 2.Rxc4#
- 1...Sb7
- 2.Rc4#
- 1...Se7
- 2.Bxe5#
- 1...Rxc1!
- threat
- 1.Kf5?
- Keys
- 1.Kg7!
- 1...Rxc1
- 2.Qd2#
- 1...Rxf1
- 2.Qd2#
- 1...Sc4
- 2.Rxc4#
- 1...Re1
- 2.Qd2#
- 1...Rd2
- 2.Qxd2#
- 1...Rd3
- 2.Se2#
- 1...Be1
- 2.Qe3#
- 1...Bg1
- 2.Bxg1#
- 1...Be3
- 2.Qxe3#
- 1...Bg3
- 2.Qe3#
- 1...Sb3
- 2.Rc4#
- 1...Sb7
- 2.Rc4#
- 1...Sb4
- 2.Qb6#
- 1...Sa7
- 2.Qb6#
- 1...Se7
- 2.Qb6#
- 1...Sb8
- 2.Qb6#
- 1...Sd8
- 2.Qb6#
- 1...Rxc1
- 1.Kg7!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 5
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(a);N_GUARD,XS(A)::QAR2(I)
- R(a);N_GUARD::QAR2(I)
- R(a);N_GUARD,XS(B)::QAR2(I)
- R(a);N_GUARD::QAR2(I),XR(a)
- R(a);SBLOCK::S(A)
- B(b);N_GUARD::QAB1(I)
- B(b);OGATEB::B(D),XB(b)
- B(b);N_GUARD::QAB1(I),XB(b)
- S(e);N_GUARD::R1(C)
- S(e);N_GUARD::R1(C),XS(e)
- S(g);N_GUARD::B(D),XP(f)
- Tries
- Try
- K(H);P-FLIGHT
- Vars
- R(a);N_GUARD,XS(A)::QAR2(I)
- R(a);N_GUARD,XS(B)::QAR2(I)
- S(e);N_GUARD::R1(C),XS(e)
- R(a);N_GUARD::QAR2(I)
- R(a);N_GUARD::QAR2(I),XR(a)
- R(a);SBLOCK::S(A)
- B(b);N_GUARD::QAB1(I)
- B(b);OGATEB::B(D),XB(b)
- B(b);N_GUARD::QAB1(I),XB(b)
- S(e);N_GUARD::R1(C)
- Refutation
- S(g);CHECK
- Try
- K(H);P-FLIGHT
- Vars
- R(a);N_GUARD,XS(A)::QAR2(I)
- R(a);N_GUARD,XS(B)::QAR2(I)
- S(e);N_GUARD::R1(C),XS(e)
- R(a);N_GUARD::QAR2(I)
- R(a);N_GUARD::QAR2(I),XR(a)
- R(a);SBLOCK::S(A)
- B(b);N_GUARD::QAB1(I)
- B(b);OGATEB::B(D),XB(b)
- B(b);N_GUARD::QAB1(I),XB(b)
- S(e);N_GUARD::R1(C)
- S(g);N_GUARD::B(D),XP(f)
- Refutation
- S(g);CHECK
- Try
- K(H);P-FLIGHT
- Vars
- R(a);N_GUARD,XS(A)::QAR2(I)
- R(a);N_GUARD,XS(B)::QAR2(I)
- S(e);N_GUARD::R1(C),XS(e)
- R(a);N_GUARD::QAR2(I)
- R(a);N_GUARD::QAR2(I),XR(a)
- R(a);SBLOCK::S(A)
- B(b);N_GUARD::QAB1(I)
- B(b);OGATEB::B(D),XB(b)
- B(b);N_GUARD::QAB1(I),XB(b)
- S(e);N_GUARD::R1(C)
- S(g);OGATE::QAB(I)
- Refutation
- S(g);CHECK
- Try
- S(B);
- Threat
- S(B)
- Vars
- R(a);OGATE,XS(B)::QAR2(I),XR(a)
- Refutation
- R(a);XS(A)
- Try
- B(D);P_PINB(b)
- Threat
- B(D),XB(b)
- Vars
- R(a);N_GUARD,XS(A)::QAR2(I)
- R(a);N_GUARD,XS(B)::QAR2(I)
- S(e);N_GUARD::R1(C),XS(e)
- R(a);N_GUARD::QAR2(I)
- R(a);N_GUARD::QAR2(I),XR(a)
- R(a);SBLOCK::S(A)
- Refutation
- B(b);N_SPINB(b),XB(D)
- Try
- R(C);
- Threat
- S(A)
- Vars
- R(a);N_GUARD,XS(A)::QAR2(I)
- S(e);N_GUARD::R1(C),XS(e)
- R(a);N_GUARD::QAR2(I)
- R(a);N_GUARD::QAR2(I),XR(a)
- Refutation
- K(c);S_FLIGHT,XR(C)
- Try
- R(C);XS(g)
- Threat
- B(D),XP(f)
- Vars
- R(a);N_GUARD,XS(A)::QAR2(I)
- S(e);N_GUARD::R1(C),XS(e)
- B(b);N_GUARD::QAB1(I)
- Refutation
- S(e);XR(C)
- Try
- Q(I);
- Threat
- QAB(I),XB(b)
- Vars
- R(a);N_GUARD,XS(A)::QAR2(I)
- R(a);N_GUARD,XS(B)::QAR2(I)
- S(e);N_GUARD::R1(C),XS(e)
- R(a);N_GUARD::QAR2(I)
- R(a);N_GUARD::QAR2(I),XR(a)
- R(a);SBLOCK::S(A)
- B(b);N_GUARD::QAB1(I)
- B(b);OGATEB::B(D),XB(b)
- B(b);N_GUARD::QAB1(I),XB(b)
- Refutation
- P(f);XQ(I)
- Try
- Q(I);
- Threat
- QAB1(I)
- Vars
- S(e);N_GUARD::R1(C)
- S(e);N_GUARD::R1(C),XS(e)
- S(g);N_GUARD::B(D),XP(f)
- Refutation
- R(a);XS(A)
- Try
- Actual
- K(H);S_FLIGHT
- Vars
- R(a);N_GUARD,XS(A)::QAR2(I)
- R(a);N_GUARD,XS(B)::QAR2(I)
- S(e);N_GUARD::R1(C),XS(e)
- R(a);N_GUARD::QAR2(I)
- R(a);N_GUARD::QAR2(I),XR(a)
- R(a);SBLOCK::S(A)
- B(b);N_GUARD::QAB1(I)
- B(b);OGATEB::B(D),XB(b)
- B(b);N_GUARD::QAB1(I),XB(b)
- S(e);N_GUARD::R1(C)
- S(g);OGATE::QAB(I)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).